6.8 oz/ly (CA), 4.1 oz/sq yd (US), 138 gsm (EU). 100% combed and ring spun cotton. Contrast lining. Ultra-soft 30 single jersey. 2-layers with built in filter pocket (filter not included). Adjustable sliding ear strap, can be tied to allow mask to hang from neck for easy on and off. Tear away label for private branding. Machine washable. Measurements: 7" width x 6" high. *95/5 cotton/viscose. * No minimum quantity * Increments lower than 12 pieces will not be poly bagged * Not for medical use * No guarantee item will protect user from any illness * Non-returnable